OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-6d5b17-0): addr:3e:cb:02:4f:ef:61
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-2186fb-0): addr:c6:5a:96:60:62:4b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-e1d14e-0): addr:c6:e9:33:df:e1:20
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-e1cc33-0): addr:1e:44:34:33:27:a1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-45aa31-0): addr:26:c4:05:88:a6:90
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(tap76e2ea9b-94): addr:fa:16:3e:02:f2:5e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:6e:75:09:fb:3c:28
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
